f7731735e55c8103315fcb06b4a71d03b2b1af78aa3a8dd005f8534bb57b72cb

General

Target

baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
Size

45KB
MD5

baf8d49c49b05f610f8b20227f751d20
SHA1

df20249f6f196d1e494ebb208176d482632b0dce
SHA256

f7731735e55c8103315fcb06b4a71d03b2b1af78aa3a8dd005f8534bb57b72cb
SHA512

8d3f9757ba5fa84be4588ceba4f23a234cea4726490f354ef4a6be17d6d5945fba6437bf0180f5e406a71496ff0848fdf633f354a1bf0d465a5837423678a621
SSDEEP

768:WAUJmQCcmLCXQq6fsKiJYsIkjJVzqsVG5kuGVAQvKMb7rp:RUNHFKQbIkHvGkAFu7l

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120"	rmass.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	rmass.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ntdbg.exe"	rmass.exe

Executes dropped EXE 2 IoCs

pid	Process
1932	rmass.exe
2252	rmass.exe

Loads dropped DLL 3 IoCs

pid	Process
3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
1932	rmass.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120"	rmass.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	rmass.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rmass.exe	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\winrnt.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe
File created	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File opened for modification	C:\Windows\SysWOW64\aset32.exe	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\System\idbg32.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\winrnt.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\aset32.exe	rmass.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1932	rmass.exe
1932	rmass.exe
1932	rmass.exe
2252	rmass.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
Token: SeDebugPrivilege	1932	rmass.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1932	3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe	28
PID 3012 wrote to memory of 1932	3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe	28
PID 3012 wrote to memory of 1932	3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe	28
PID 3012 wrote to memory of 1932	3012	baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe	28
PID 1932 wrote to memory of 432	1932	rmass.exe	5
PID 1932 wrote to memory of 1128	1932	rmass.exe	20
PID 1932 wrote to memory of 2252	1932	rmass.exe	29
PID 1932 wrote to memory of 2252	1932	rmass.exe	29
PID 1932 wrote to memory of 2252	1932	rmass.exe	29
PID 1932 wrote to memory of 2252	1932	rmass.exe	29

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\baf8d49c49b05f610f8b20227f751d20_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\rmass.exe
    "C:\Windows\system32\rmass.exe"
    3⤵
    - Windows security bypass
    - Drops file in Drivers directory
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\RECOVER32.DLL

Filesize
5KB

MD5
2b2c28a7a01f9584fe220ef84003427f

SHA1
5fc023df0b5064045eb8de7f2dbe26f07f6fec70

SHA256
9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb

SHA512
39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

Download Submit
C:\Windows\SysWOW64\ahuy.exe

Filesize
47KB

MD5
e4145183095c84fba70cb5892a63c14d

SHA1
d2755b1fda10577830033733bc4c808f42262e4e

SHA256
590ab2b3f9c91d24920219aac816dfb37196b0b98040b493709c124a95553b5f

SHA512
6d090c3c3fb988f93a2b53b5208a05f7bd65d0a03c38f21ba0c053c69c8596addb58443d5842abaa34278ea82bb9b5336f388528bd3891f883e5f3b8f850ee94

Download Submit
C:\Windows\SysWOW64\ntdbg.exe

Filesize
48KB

MD5
5d2228a09927ee99ab75e0cd03efcd85

SHA1
bb4c418c2399c7beaa9864ec62a0c7e590e8fdd3

SHA256
27494523e78c3aeeadaa1d4f8cefb3e5cdb7f3ba4199da403ede2683fa380b62

SHA512
30553495dedc5b486aa7b4dc04ed047a227e56f310fb7eec2614e98e7498cc654d321d842a3d9d744b85b6d6401702ceb73f1603b1964c15451278c0080cd124

Download Submit
C:\Windows\System32\drivers\etc\hosts

Filesize
1KB

MD5
b10b13206b0f2cf3968050072f6979bf

SHA1
699db21ba9cecf3f13ac3d76e22cfa41aa94da80

SHA256
0eef3217095cb97b695c434e74d6314bf9e869a013d6e9c88e58c34576a276b4

SHA512
d33bfd931be6676539507a69101d99fa4c5ef36b12422bd11f063b9b6a47b7444f6c4ad5f35e044714fdb872e96cd9fddf049e8329af1219483887f6ac5f4a5d

Download Submit
\Windows\SysWOW64\rmass.exe

Filesize
45KB

MD5
baf8d49c49b05f610f8b20227f751d20

SHA1
df20249f6f196d1e494ebb208176d482632b0dce

SHA256
f7731735e55c8103315fcb06b4a71d03b2b1af78aa3a8dd005f8534bb57b72cb

SHA512
8d3f9757ba5fa84be4588ceba4f23a234cea4726490f354ef4a6be17d6d5945fba6437bf0180f5e406a71496ff0848fdf633f354a1bf0d465a5837423678a621

Download Submit
memory/1932-55-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2252-56-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3012-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads